625574838 has 32 divisors (see below), whose sum is σ = 1492056576. Its totient is φ = 170964288.

The previous prime is 625574797. The next prime is 625574839. The reversal of 625574838 is 838475526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625574839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322831 + ... + 324762.

It is an arithmetic number, because the mean of its divisors is an integer number (46626768).

Almost surely, 2^625574838 is an apocalyptic number.

625574838 is an abundant number, since it is smaller than the sum of its proper divisors (866481738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625574838 is a wasteful number, since it uses less digits than its factorization.

625574838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647628.

The product of its digits is 1612800, while the sum is 48.

The square root of 625574838 is about 25011.4941177052. The cubic root of 625574838 is about 855.2500154587.

The spelling of 625574838 in words is "six hundred twenty-five million, five hundred seventy-four thousand, eight hundred thirty-eight".